battering ram

(archaic) a structure surrounded by a moat or walls: a fortress, castle

destruction, demolition

(literary) they

castle gate

to use / to employ / to make use of, to apply / to spend

a hammer / a 家紋 (kamon, “family crest”) featuring a traditional Japanese hammer design

hammer

destroy; demolish; vandalize

break, destroy, tear / break, violate, infringe / defeat, beat / (software) crack, break a password